They work in medical offices and serve as the first point of contact for patients entering the facility. They greet and check-in patients, verify information and enter it into the system, collect payments for services, answer the phone, schedule appointments, and file paperwork.
You may call them simply doctors. But most doctors have extra expertise in one type of medicine or another. In fact, there are several hundred medical specialties and subspecialties. Here are the most common types of doctors you'll likely see.